| author | wenzelm | 
| Thu, 16 Apr 2015 15:22:44 +0200 | |
| changeset 60097 | d20ca79d50e4 | 
| parent 59621 | 291934bac95e | 
| child 60820 | d0a88a2182a8 | 
| permissions | -rw-r--r-- | 
| 51551 | 1  | 
(* Title: Pure/skip_proof.ML  | 
2  | 
Author: Makarius  | 
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6888
 
d0c68ebdabc5
skip_proof feature 'sorry' (for quick_and_dirty mode only);
 
wenzelm 
parents:  
diff
changeset
 | 
3  | 
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Skip proof via oracle invocation.  | 
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6888
 
d0c68ebdabc5
skip_proof feature 'sorry' (for quick_and_dirty mode only);
 
wenzelm 
parents:  
diff
changeset
 | 
5  | 
*)  | 
| 
 
d0c68ebdabc5
skip_proof feature 'sorry' (for quick_and_dirty mode only);
 
wenzelm 
parents:  
diff
changeset
 | 
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val quick_and_dirty_raw = Config.declare_option ("quick_and_dirty", @{here});
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val quick_and_dirty = Config.bool quick_and_dirty_raw;  | 
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||
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6888
 
d0c68ebdabc5
skip_proof feature 'sorry' (for quick_and_dirty mode only);
 
wenzelm 
parents:  
diff
changeset
 | 
10  | 
signature SKIP_PROOF =  | 
| 
 
d0c68ebdabc5
skip_proof feature 'sorry' (for quick_and_dirty mode only);
 
wenzelm 
parents:  
diff
changeset
 | 
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sig  | 
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val report: Proof.context -> unit  | 
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val make_thm_cterm: cterm -> thm  | 
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val make_thm: theory -> term -> thm  | 
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59498
 
50b60f501b05
proper context for resolve_tac, eresolve_tac, dresolve_tac, forward_tac etc.;
 
wenzelm 
parents: 
58837 
diff
changeset
 | 
15  | 
val cheat_tac: Proof.context -> int -> tactic  | 
| 
6888
 
d0c68ebdabc5
skip_proof feature 'sorry' (for quick_and_dirty mode only);
 
wenzelm 
parents:  
diff
changeset
 | 
16  | 
end;  | 
| 
 
d0c68ebdabc5
skip_proof feature 'sorry' (for quick_and_dirty mode only);
 
wenzelm 
parents:  
diff
changeset
 | 
17  | 
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32970
 
fbd2bb2489a8
operations of structure Skip_Proof (formerly SkipProof) no longer require quick_and_dirty mode;
 
wenzelm 
parents: 
32966 
diff
changeset
 | 
18  | 
structure Skip_Proof: SKIP_PROOF =  | 
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6888
 
d0c68ebdabc5
skip_proof feature 'sorry' (for quick_and_dirty mode only);
 
wenzelm 
parents:  
diff
changeset
 | 
19  | 
struct  | 
| 
 
d0c68ebdabc5
skip_proof feature 'sorry' (for quick_and_dirty mode only);
 
wenzelm 
parents:  
diff
changeset
 | 
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(* report *)  | 
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||
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fun report ctxt =  | 
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56294
 
85911b8a6868
prefer Context_Position where a context is available;
 
wenzelm 
parents: 
51552 
diff
changeset
 | 
24  | 
if Context_Position.is_visible ctxt then  | 
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56333
 
38f1422ef473
support bulk messages consisting of small string segments, which are more healthy to the Poly/ML RTS and might prevent spurious GC crashes such as MTGCProcessMarkPointers::ScanAddressesInObject;
 
wenzelm 
parents: 
56294 
diff
changeset
 | 
25  | 
Output.report [Markup.markup Markup.bad "Skipped proof"]  | 
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56294
 
85911b8a6868
prefer Context_Position where a context is available;
 
wenzelm 
parents: 
51552 
diff
changeset
 | 
26  | 
else ();  | 
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||
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(* oracle setup *)  | 
| 
6888
 
d0c68ebdabc5
skip_proof feature 'sorry' (for quick_and_dirty mode only);
 
wenzelm 
parents:  
diff
changeset
 | 
30  | 
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| 42409 | 31  | 
val (_, make_thm_cterm) =  | 
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Context.>>>  | 
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    (Context.map_theory_result (Thm.add_oracle (Binding.make ("skip_proof", @{here}), I)));
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59621
 
291934bac95e
Thm.cterm_of and Thm.ctyp_of operate on local context;
 
wenzelm 
parents: 
59498 
diff
changeset
 | 
35  | 
fun make_thm thy prop = make_thm_cterm (Thm.global_cterm_of thy prop);  | 
| 
6888
 
d0c68ebdabc5
skip_proof feature 'sorry' (for quick_and_dirty mode only);
 
wenzelm 
parents:  
diff
changeset
 | 
36  | 
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| 11892 | 37  | 
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(* cheat_tac *)  | 
| 11892 | 39  | 
|
| 
59498
 
50b60f501b05
proper context for resolve_tac, eresolve_tac, dresolve_tac, forward_tac etc.;
 
wenzelm 
parents: 
58837 
diff
changeset
 | 
40  | 
fun cheat_tac ctxt i st =  | 
| 
 
50b60f501b05
proper context for resolve_tac, eresolve_tac, dresolve_tac, forward_tac etc.;
 
wenzelm 
parents: 
58837 
diff
changeset
 | 
41  | 
  resolve_tac ctxt [make_thm (Thm.theory_of_thm st) (Var (("A", 0), propT))] i st;
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| 26530 | 42  | 
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| 
6888
 
d0c68ebdabc5
skip_proof feature 'sorry' (for quick_and_dirty mode only);
 
wenzelm 
parents:  
diff
changeset
 | 
43  | 
end;  |